From: Dmitry Osipenko Date: Mon, 10 May 2021 20:25:52 +0000 (+0300) Subject: ARM: tegra: acer-a500: Specify proper voltage for WiFi SDIO bus X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=a99d77c4b2ac9095d9bd5969996905886debbe8b;p=linux.git ARM: tegra: acer-a500: Specify proper voltage for WiFi SDIO bus Tegra20 has v2.00 SDMMC controller which doesn't support voltage switching and the WiFi SDIO bus voltage is fixed to 1.8v in accordance to the board's schematics, while MMC core confusingly saying that it's 3.3v because of the v2.00. Let's correct the voltage in the device-tree just for consistency. This is a minor improvement which doesn't fix any problems. Signed-off-by: Dmitry Osipenko Signed-off-by: Thierry Reding --- diff --git a/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts b/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts index d7d97b7e47942..eff9bfb2d4426 100644 --- a/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts +++ b/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts @@ -762,7 +762,7 @@ mmc-pwrseq = <&brcm_wifi_pwrseq>; vmmc-supply = <&vdd_3v3_sys>; - vqmmc-supply = <&vdd_3v3_sys>; + vqmmc-supply = <&vdd_1v8_sys>; /* Azurewave AW-NH611 BCM4329 */ wifi@1 {